Describes the work of a man who tracks trash as it travels great distances by way of ocean currents.

"This authoritative, illustrated encyclopedia is now in its third edition. Illustrated with a blend of informative illustrations, maps, and photography, it is a broad-ranging, in-depth guide to both physical oceanography and marine life. A comprehensive introduction explains important principles and processes, from the geology of the seafloor to the chemistry of seawater. The next two chapters look at key environments -- from the seashore out to the...

Text and photographs explore the physical characteristics, life forms, and fragility of the world's oceans.